Leaf-turning device.



0.1. BENDER.

LEAF TURNING DEVICE.

APPLICATION FILED APR.20. 19H.

1,136,927, Patented Apr. 27, 1915.

3 il a /Z/ 39?? Z6 '25 g 31 M/ k! (Zia/Zia? THE NORRIS PETERS ca. PHOTOJ-ITHQ. WASHINGTON, D4 C,

C. J. BENDER.

LEAF TURNING DEVICE.

APPLICATION FILED APR. 20. 1914.

1,136,927. Patented Apr. 27, 1915.

2 SHEETS-SHEET 2- Q' ZZ J? THE NOERIS PETERS CQ., PHOTD-LITHQ, WASHINGTON. D. C

l I view's imiler to the lastpreceding' showingi e the'elo'sure 'swung' open to expose the leaf-. turning devicesfone ofj thef: leaf-holding ,o'f'whieh the following isaispecifieation. I This inventionrelates to devices for turn-I I I inggthe' page'sofsheet -musie; or "books by 'o'fthe invention, parts being -broken aygay 7 i Fig. 2 is a plan viwshowingfthe support f theymechanism; and a closure; Fig 3 1s in so, I I I V 1 1g devicebeing showmpartly broken'away Fig. 5 is a crosssectif" denotes the musienshelf' of; epiano Which serves to support I: the leaf-turmng mecha-i:

zontal planeya'series of arms 12'haVing h1 1b portions. 13mthrough- *Which the spindle;

' outer ends to Which are attechedthin metal' strips 15*e'Xtending horizontelly and having Htwo upstanding "pairs; "of'rileaf-engaging' fingers 16 between which the 'musie'sheet or" I11in0is, ha ve invented eerteinnew and use- *relieying t turningthepegesqby handf 15 kind stated, and Itofthi s' end iIt eonsists infe 1 novel combinationa11d"errangen entIoffpa rts to be hereinafterdescribedand" elai'medljf .j

, Figure l'is a' Verti between the strips andthe b'locksis'made by downward extensions 17' on the"-former T1: whieh 'a-re fittedintd'slits made in the-top of the blocks and have tenons. 18 which rit .in mortises-in the bottom 'Of -the slits; Thus ci-rARLEsL' BEN ngoremeAGd iLLmoiss L'nhr-rnngnmejnvxcn,

pl i estieirfiid 35 1126, 1914.1 Serial no. 833,145.;

-the1arms112 a re swung round to locatejthe blocks 1e to one sideof'the axis 'll fofgjthei iarms which locates the'strips'15 correspond d,

ingly as'shown dottedinFig.3. The musie sheets Iare plateedl between the fingers ;l 6. U on swinging the arms t jbring, thejsamef to the opposite side of their axis, 7 the strips are I t'ja'rried in; the'gsame "direction; and 'tl'ie sheets engaged by'th'e fingersafre thn ur n'ed r wun we; sei r p n ng oidi y 1 about an; axis 'eorresponding to the} 1 aziisiof the arms; sheet inl twdplace's'jto assj r" their bein W he Strips W In?! Sta e e V The armslQairefo fgdifferent lengths; their outer ends eriofiiset to bring the bloeks i compact group ga t the starting "point I and at theendofftheir forward swing I The; blocks areitlso so arrangedin'the'fgrqiip that I ii they meyfsWing in; properconsecutive dram-1. Withont'interiering' 'W-ith eafeh otheflzindithe strips 15areicorrespoiidingly arranged. i 1 I he meen'sfm' s fi g ngthe m i fi oy r 4, ellv'ctuategthe -sheet-aimingmemberscoin-' or I prises a longitudinally eslidablefbar 19; slip ported byv the shelf? 10 havin g'v series o'f j I rack teeth 20 arranged 'instepped relation or atdifierent levels IFrom'eaeh extends a pair ofteeth 21. The hubs 13being s uperposedon the spindle '11, :it Will] be 3 53 e ident thatEthe teeth lie in difierenthori- M I I zont'algplanes, 'a nd'they correspond to the Fig. 2;.Figl6 is'a horifz ontaifsection on the' stepped "arrangement of the raek teethflor line 66 of Fig.j5,' 1andjFig. fT ise: perspec- Y-Thus, Whenithe bar 1 9 isnctuated, the highs i 'i'- t tive View of one ofrthelleaf-turning units. est set of teeth-20 engages the teeth 21.0fm Referring 'sp'ecific'ilb to the d'rawings, 10 1 the uppermost ermi12end swings thejsaine; 'When' the" bar-fis again advanced, the next "setof teethengagesthe.teethofthe second i Taryn from'r-the top, and so on until allthe "9'5 arms hav'e' been swung over to turn the' P lea'ves. The 'arin-n'ext to the top oneis Con Ii: I I I neeted tothe first-'page or"sheetflshe next one' 1 passes. These ermsfearry blocks- 14m their, below to thesecond sheetand so OiLthIfOllgh out the series." Upon" reversingsthemovement of thebzi B n w -I; HA L S'J E Q a j citizen hLU li Q States, residing at Chicago, in the eoi lnty offCookand Stet'eoff fu'I Improvements inFLeai-Turning' Devices,

meansqof a {foe-m ted;m ehani m, thus he" perf0rn1er of neoessityof The resent "inventionfor its object to e I I gt rnd 5 provide "a'fsnnpleend eflieient dev rpf I I In order that .-,thelinyentionmay be better understood, reference ishadto the accompanying drawings, in I I eel seetibn" of the front portion of a pianosshowingthe application parts being showndotted; fFig, 4 is section 0n the line P-bfFig, 3,,the sheetss'ilpport gg onthev line of nism: Thev shelf'carr'ies "a dependin'g'spindle 11 0n;,. Whieh is' mounted to swingin a hori lOOI I I r 19, the erms swingbaek ini" yreverse'orderi I I I 5 51 The bar19 is actuate d by a pinion "22in e f meshtvithfa raek23 on the back edge of the bar. Ihe pinion 22*isin mesh-with a pinion- 24fast.onxtheupperend-ofe vertiealshaft having at its lower end a bevel gear"26 1 I ilwhichiis in mesh withxa 'similar gear 27011' -L' I I I I I a short 'shafizQS carrying saerankdisk orf the -strips are fastened to the block's andiare, other suitable aetuating device 29,v which 1 prevented from 'rotatin'g Itherein; I l'aetter islocated near the bottom of the front III, To place the-device reedyjforfopemtion all 30,ofthe-piano-casing soas to be reada le fis adapted to beep laced. Connection 1 ily accessibleto the feet of the; perforniery Theshaft'and-thegears are located inside the casing of thelpiano as shown in Fig. 1,; and the front all thereof has a bearing 31 for the lower end of the isha'ft, the ripper end of.theshaftzbeing-supported by a suitfable bracket 32' jyhic h 'also has a support for the shaft 33,01? the pinion 22. shaftfZS is supported by the Wall 30. V .t t V In theshelf "is an arcuate opening 34 same being curved to conform to the curvature of theopening. This slide may be connected tothe uppermost one of'thearms 12 so that when said arin isactuated, the slide swings. to uncover the opening. The/strips 15 are" then 'attaehed'and the pages or'lea'ves.

to befturned'are connected thereto, after V, which the device is readyfor operation.

Before the slide can be closed the strips i 15 carrying the fingers 16 1n11st be reinoved from the blocks 14 of the arms '12.

I claim: i

1.A'leaf-tnrningoevicei support, aspindle carried by the-support,

' a serles of swinging arms mounted in superposed relation on the spindle, said arms haw inghnb's through which the spindle passes,

Gopies of thispatentlmay be obtaiined for five cents each, addressing the cominissioner ofTatents, Wash ingtomD C. f I

1,136,927 necting the arms to the leaves to be tnrned; i the snpporthaving; an arcuate ppen ng inf V-slidablejbar having teeth which; are; ar-' the aforesaid opening, and aconhectio'n lee-- actuating the latter to J n'eoyertheopening.

amounted on the outer ends of the-arms,

(spond to the position of the teeth of the and the hubs having teeth"; 1 ineansi fasten which said means sWing,-'a longitiidinallytbranged in stepped relation to correspond to the position ofthe teeth of the hubs; means for etuatingsaidba'r, a slide for, covering tween the uppermost arm 'and'the slidefor 2.A leaf%t1irning device comprising'a' support; a spindle carrie d by the support, a i j series-of swinging armss monnted in super; posed relation on; the spindle, said 'armsji 1 having hubs thronghw'whieh" the :spindle passes, and the hubs having teeth, blockssheet supporting strips Carried by thev blocks '50 and having sheet-engaging fingers, aflongill; tudinally V slidablelbar haying teeth which are arranged in stepped relation to correhiibs, and means for actuatingsaid bar. 7 1' In testinionywhereofl afiix my signa turein presence of.;twoawitnesses. t 1

l (l-l-IARLESJ BENDER. l/Vitnesses: a SuJ. LEHiER 4 IL G. BA'ronnLoR. 

